Overview

overview

10

Static

static

10

wf4780.exe

windows7-x64

10

wf4780.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    wf4780.exe

  • Size

    2.8MB

  • Sample

    230507-lcq7csfh8w

  • MD5

    ec4951e9f2b1945815954fec161cf57a

  • SHA1

    8e9e6857a0251a89b9c43b650344fb4f1648fa76

  • SHA256

    d969fc2e15743d6d44f477907368f2ebc96cefba20a232861fc7337bfa938d75

  • SHA512

    596e28d3529be33483589973ac34410f574cd888bda74e1e24afb2a2de107af4e788e2a27648da3c4fe4db4f49184244ce6ccf50f480c95c8d252d541587ad15

  • SSDEEP

    49152:y/Cbs48/vm/XpRDVHFZuAzG5LfvUza32ehyfT36:y/Ob8/vm/XnDVHbs

Score
10/10
quasarxspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

X

C2

45.141.27.208:4780

127.0.0.1:4780
Mutex

d6e77ea9-bff7-4566-b4dd-f1be3c293c5e

Attributes
  • encryption_key

    57F667877C1FCDA6663E2FDAC6FB8CFDE3CEA957

  • install_name

    winx.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    winx

  • subdirectory

    sys

Targets

    • Target

      wf4780.exe

    • Size

      2.8MB

    • MD5

      ec4951e9f2b1945815954fec161cf57a

    • SHA1

      8e9e6857a0251a89b9c43b650344fb4f1648fa76

    • SHA256

      d969fc2e15743d6d44f477907368f2ebc96cefba20a232861fc7337bfa938d75

    • SHA512

      596e28d3529be33483589973ac34410f574cd888bda74e1e24afb2a2de107af4e788e2a27648da3c4fe4db4f49184244ce6ccf50f480c95c8d252d541587ad15

    • SSDEEP

      49152:y/Cbs48/vm/XpRDVHFZuAzG5LfvUza32ehyfT36:y/Ob8/vm/XnDVHbs

    Score
    10/10
    quasarxspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks